def load_jar_class(jar_path, class_name):
"""
Load a class at runtime directly from a jar file.
Note that with some libraries this can cause problems because the library
will not be *visible* to the default class loader.
:param jar_path: Path to the `.jar` file.
:param class_name: The fully qualified Class Name within the jar to load.
:return:
"""
URL = JClass('java.net.URL')
URLClassLoader = JClass('java.net.URLClassLoader')
Class = JClass('java.lang.Class')
UrlArray = JArray(URL)
urls = UrlArray(1)
urls[0] = get_url(jar_path)
java_class = JClass(Class.forName(class_name, True, URLClassLoader(urls)))
return java_class
